#1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT.
diff --git a/Include/frameobject.h b/Include/frameobject.h
index 0dc4d06..05877f9 100644
--- a/Include/frameobject.h
+++ b/Include/frameobject.h
@@ -51,7 +51,7 @@
 
 PyAPI_DATA(PyTypeObject) PyFrame_Type;
 
-#define PyFrame_Check(op) (Py_Type(op) == &PyFrame_Type)
+#define PyFrame_Check(op) (Py_TYPE(op) == &PyFrame_Type)
 
 PyAPI_FUNC(PyFrameObject *) PyFrame_New(PyThreadState *, PyCodeObject *,
                                        PyObject *, PyObject *);